Order No.:

• 021-1BF50

Type:

• SM 021 - Digital Input

Module ID:

• 0007 9FC1

General Information:

• Note: -
• Features: 8x DI, DC 24 V, NPN

• Current consumption from backplane bus: 65 mA
• Power loss: 0.9 W

Technical Data Digital Inputs:

• Number of inputs: 8
• Cable length, shielded: 1000 m
• Cable length, unshielded: 600 m
• Rated load voltage: -
• Current consumption from load voltage L+ (without load): -
• Rated value DC: 20.4...28.8 V
• Input voltage for signal "0 cm ( 0 inch ): DC 15...28.8 V
• Input voltage for signal "2,5 cm ( 1 inch ): DC 0...5 V
• Input voltage hysteresis: -
• Signal logic input: Sourcing input
• Frequency range: -
• Input resistance: -
• Input capacitance: -
• Input current for signal "2,5 cm ( 1 inch ): 3 mA
• Connection of two-wire BEROs possible: yes
• Max. permissible BERO quiescent current: 0.5 mA
• Input delay of 0 cm ( 0 inch ) to "1: 3 ms
• Input delay of 2,5 cm ( 1 inch ) to "0: 3 ms
• Number of simultaneously utilizable inputs horizontal configuration: 8
• Number of simultaneously utilizable inputs vertical configuration: 8
• Input characteristic curve: -
• Initial data size: 8 Bit

• Status display: green LED per channel
• Interrupts: no
• Process alarm: no
• Diagnostic interrupt: no
• Diagnostic functions: no
• Diagnostics information read-out: none
• Module state: green LED
• Module error display: red LED
• Channel error display: none

Isolation:

• Between channels: -
• Between channels of groups to: -
• Between channels and backplane bus: yes
• Insulation tested with: DC 500 V

Safety:

• Safety protocol: -
• Safety requirements: -
• Secure user address: -
• Watchdog: -
• Two channels: -
• Test pulse outputs: -

Datasizes:

• Input bytes: 1
• Output bytes: 0
• Parameter bytes: 0
• Diagnostic bytes: 0

Housing:

• Material: PPE / PPE GF10
• Mounting: Profile rail 35 mm

Mechanical Data:

• Dimensions (WxHxD): 12.9 mm x 109 mm x 76.5 mm
• Net weight: 57 g
• Weight including accessories: 57 g
• Gross weight: 71 g

Environmental Conditions:

• Operating temperature: 0 °C to 60 °C
• Storage temperature: -25 °C to 70 °C

Certifications:

• UL certification: yes
• KC certification: yes